<template>
<div class="demo">
    <h2>{{ component.__sourceCodeTitle }}</h2>
    <div class="demo-component">
        <component :is="component" />
    </div>
    <div class="demo-actions">
        <Button @click="hideCode" v-if="codeVisible">隐藏代码</Button>
        <Button @click="showCode" v-else>查看代码</Button>
    </div>
    <div class="demo-code" v-if="codeVisible">
        <pre class="language-html" v-html="html" />
    </div>
</div>
</template>

<script lang="ts">
import Button from "../lib/Button.vue";
import "prismjs";
import "prismjs/themes/prism.css";
import {
    computed,
    ref
} from "vue";
const Prism = (window as any).Prism;
console.log(Prism);
export default {
    components: {
        Button,
    },
    props: {
        component: Object,
    },
    setup(props) {
        const html = computed(() => {
            return Prism.highlight(
                props.component.__sourceCode,
                Prism.languages.html,
                "html"
            );
        });
        const showCode = () => (codeVisible.value = true);
        const hideCode = () => (codeVisible.value = false);
        const codeVisible = ref(false);
        return {
            Prism,
            html,
            codeVisible,
            showCode,
            hideCode,
        };
    },
};
</script>

<style lang="scss" scoped>
$border-color: #d9d9d9;

.demo {
    border: 1px solid $border-color;
    margin: 16px 0 32px;

    >h2 {
        font-size: 20px;
        padding: 8px 16px;
        border-bottom: 1px solid $border-color;
    }

    &-component {
        padding: 16px;
    }

    &-actions {
        padding: 8px 16px;
        border-top: 1px dashed $border-color;
    }

    &-code {
        padding: 8px 16px;
        border-top: 1px dashed $border-color;

        >pre {
            line-height: 1.1;
            font-family: Consolas, "Courier New", Courier, monospace;
            margin: 0;
        }
    }
}
</style>
